An image of the BAHRAG combiner has finally surfaced here , thanks to Hiroki. If you’ll recall, photos of the instruction booklets for the BOXOR alternate and the EXO-TOA alternate showed us our first glimpses at those models at least a month ago on eBay, but since there are two BAHRAG, CAHDOK is on one cover and GAHDOK is on the other, with the combiner instructions presumably in the back of one booklet like with the RAHI sets.

Thanks to MoD reader JZ for getting me started on the search.